122,090
122,090 is a composite number, even.
122,090 (one hundred twenty-two thousand ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 29 × 421. Written other ways, in hexadecimal, 0x1DCEA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 90,221
- Square (n²)
- 14,905,968,100
- Cube (n³)
- 1,819,869,645,329,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 227,880
- φ(n) — Euler's totient
- 47,040
- Sum of prime factors
- 457
Primality
Prime factorization: 2 × 5 × 29 × 421
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,090 = [349; (2, 2, 2, 2, 698)]
Period length 5 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand ninety
- Ordinal
- 122090th
- Binary
- 11101110011101010
- Octal
- 356352
- Hexadecimal
- 0x1DCEA
- Base64
- Adzq
- One's complement
- 4,294,845,205 (32-bit)
- Scientific notation
- 1.2209 × 10⁵
- As a duration
- 122,090 s = 1 day, 9 hours, 54 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβϟʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋤·𝋪
- Chinese
- 一十二萬二千零九十
- Chinese (financial)
- 壹拾貳萬貳仟零玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122090, here are decompositions:
- 37 + 122053 = 122090
- 61 + 122029 = 122090
- 79 + 122011 = 122090
- 97 + 121993 = 122090
- 127 + 121963 = 122090
- 139 + 121951 = 122090
- 181 + 121909 = 122090
- 223 + 121867 = 122090
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.220.234.
- Address
- 0.1.220.234
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.220.234
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 122,090 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 122090 first appears in π at position 137,719 of the decimal expansion (the 137,719ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.